31041342 has 48 divisors (see below), whose sum is σ = 69144192. Its totient is φ = 10061520.

The previous prime is 31041317. The next prime is 31041379. The reversal of 31041342 is 24314013.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136633 + ... + 136859.

It is an arithmetic number, because the mean of its divisors is an integer number (1440504).

Almost surely, 2^31041342 is an apocalyptic number.

31041342 is an abundant number, since it is smaller than the sum of its proper divisors (38102850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31041342 is a wasteful number, since it uses less digits than its factorization.

31041342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 31041342 is about 5571.4757470530. The cubic root of 31041342 is about 314.2776493995.

Adding to 31041342 its reverse (24314013), we get a palindrome (55355355).

The spelling of 31041342 in words is "thirty-one million, forty-one thousand, three hundred forty-two".